## Abstract Infrared dichroism measurements of oriented films of poly(dA)Β·poly(dT) and poly[d(AβT)]Β·poly[d(AβT)] have been made under the conditions of low salts content and high humidity for which the geometry is known. The angles which the transition moments make with the helix axis are compared
Acoustical investigation of poly(dA).poly(dT), poly[d(A-T)].poly[d(A-T)], poly(A) . poly(U) and DNA hydration in dilute aqueous solutions
β Scribed by Buckin, V.A.; Kankiya, B.I.; Sarvazyan, A.P.; Uedaira, H.
- Book ID
- 121483045
- Publisher
- Oxford University Press
- Year
- 1989
- Tongue
- English
- Weight
- 567 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0305-1048
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Conformational transitions of polyd(A-T). poly d(A-T) have been studied by fiber X-ray diffraction and measurement of fiber dimensions. Results obtained for the D-A-B and D-B transitions are presented and analyzed. For all these form transitions, cooperativity effects are observed for the variation
Raman spectra have been recorded for poly (dG-dT) . poly(dAdC) and poly (dA-dT) . poly(dA-dT) in low salt and at high concentrations of CsF. Poly(dGdT)poly (dAdC) shows no change in the 682-cm-I guanine mode, demonstrating the absence of the Zstructure at high salt. The 790-cm-I phosphodiester symm